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Finding the Fourth Proportional to 313,853, 470,752.80 and 124,261.80

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Solution

The fourth proportional to 313,853, 470,752.80 and 124,261.80 is: 186,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,853 : 470,752.80 = 124,261.80 : x
  2. Step 2: Convert to fraction form
    313,853/470,752.80 = 124,261.80/x
  3. Step 3: Cross multiply
    313,853x = 470,752.80 × 124,261.80
  4. Step 4: Simplify right side
    313,853x = 58,496,590,283.04
  5. Step 5: Solve for x
    x = 58,496,590,283.04/313,853
  6. Step 6: Final answer
    x = 186,382.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.